Sealed lead acid Battery which is also known as valve regulated leadacid auxiliary power back up unit which is characterized with a limited amount of the electrolyte inside the late separator. It has a spill proof design that allows trouble free operation and can be used in any positions as there is no risk of the acid spilling out of the box. The external housing of Sealed lead acid Battery is manufactured by using premium quality non-conductive acrylonitrile butadiene styrene plastic which makes it highly resistant to the impacts of the high temperature, corrosive chemicals and vibration.